Watch List notes:

Probus, 276-282. Antoninianus (Billon, 25 mm, 4.71 g, 5 h), Serdica, 277. IMP C M AVR PROBVS P F AVG Radiate cuirassed bust of Probus to right. Rev. VIRTVS PROBI AVG / KAH Probus on horseback to right, spearing enemy whose shield lies beneath horse. RIC 877a C. 917. Sharp, clear example with almost intact original silvering. Nearly extremely fine.